19850720

素因数分解:

$2^5\times 5^1\times {\mathrm{124067}}^1$

素因数の和:124082

約数の個数: 24

約数和(自身を含む): 46897704

約数和(自身を除く): 27046984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 124067, 248134, 496268, 620335, 992536, 1240670, 1985072, 2481340, 3970144, 4962680, 9925360, 19850720]

約数ペア:

[(1, 19850720), (2, 9925360), (4, 4962680), (5, 3970144), (8, 2481340), (10, 1985072), (16, 1240670), (20, 992536), (32, 620335), (40, 496268), (80, 248134), (160, 124067)]